Home / 243,917.16-336,594.69-135,025.58

Finding the Fourth Proportional to 243,917.16, 336,594.69 and 135,025.58

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Solution

The fourth proportional to 243,917.16, 336,594.69 and 135,025.58 is: 186,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,917.16 : 336,594.69 = 135,025.58 : x
  2. Step 2: Convert to fraction form
    243,917.16/336,594.69 = 135,025.58/x
  3. Step 3: Cross multiply
    243,917.16x = 336,594.69 × 135,025.58
  4. Step 4: Simplify right side
    243,917.16x = 45,448,891,559.20
  5. Step 5: Solve for x
    x = 45,448,891,559.20/243,917.16
  6. Step 6: Final answer
    x = 186,329.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.